Surface plasmon polariton propagation in organic nanofiber based plasmonic waveguides.

Opt Express 2013 Apr;21(7):8251-60

University of Kiel, IEAP, Leibnizstr. 19, 24118 Kiel, Germany.

Plasmonic wave packet propagation is monitored in dielectric-loaded surface plasmon polariton waveguides realized from para-hexaphenylene nanofibers deposited onto a 60 nm thick gold film. Using interferometric time resolved two-photon photoemission electron microscopy we are able to determine phase and group velocity of the surface plasmon polariton (SPP) waveguiding mode (0.967c and 0.85c at λ(Laser) = 812nm) as well as the effective propagation length (39 μm) along the fiber-gold interface. We furthermore observe that the propagation properties of the SPP waveguiding mode are governed by the cross section of the waveguide.

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http://dx.doi.org/10.1364/OE.21.008251DOI Listing
April 2013
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